Android基础之Intent篇

无返回值：

Intent intent = new Intent(MainActivity.this,TargetAcitvity.class);
startActivity(intent);

<activity
android:name=".TargetAcitvity" >
<intent-filter>
<action android:name="personal_label" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>

Intent intent = new Intent();
intent.setAction("personal_label");
intent.addCategory("android.intent.category.DEFAUL");

携带传输数据：

Intent intent=new Intent(this,TargetAcitvity.class);
intent.putExtra("test","test");
startActivity(intent);

protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_me);
//获取数据
Intent intent = getIntent();
String account=intent.getStringExtra("account");
}

Intent intent = new Intent(RegisterActivity.this,TargetAcitvity.class);
startActivityForResult(intent, 1);

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if(resultCode==2){
if(requestCode==1){
Log.i("test","test");}
}
}

Intent intent = new Intent();
setResult(2, intent);
finish();